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LM25148-Q1 - DC/DC Controller

Description

The LM25148-Q1 is a 42-V, ultra-low IQ synchronous buck DC/DC controller for high-current, single-output applications.

The controller uses a peak current-mode control architecture for easy loop compensation, fast transient response, and excellent load and line regulation.

Features

  • AEC-Q100 qualified for automotive.

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Full PDF Text Transcription

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LM25148-Q1 SNVSC03A – JUNE 2021 – REVISED FEBRUARY 2023 LM25148-Q1 42-V, Automotive, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum 1 Features • AEC-Q100 qualified for automotive applications: – Device temperature grade 1: –40°C to +125°C ambient operating temperature • Functional Safety-Capable – Documentation available to aid functional safety system design • Integrated EMI mitigation – Selectable dual random spread spectrum (DRSS) feature for enhanced EMI performance across low and high-frequency bands – Optimized for CISPR 25 Class 5 requirements • Versatile synchronous buck DC/DC controller – Wide input voltage range of 3.5 V to 42 V – 1% accurate, fixed 3.3 V, 5 V, 12 V, or adjustable output from 0.
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